Merge pull request GitTools#658 from GitTools/dependabot/nuget/src/NUnit-4.3.2

Bump NUnit from 4.1.0 to 4.3.2 in /src

Author: gep13

src/Directory.Packages.props

@@ -17,7 +17,7 @@
     <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
     <PackageVersion Include="NGitLab" Version="7.0.1" />
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
-    <PackageVersion Include="NUnit" Version="4.1.0" />
+    <PackageVersion Include="NUnit" Version="4.3.2" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.6.0" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageVersion Include="Octokit" Version="14.0.0" />